<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style>
          *{
              margin: 0px;
              padding: 0px;
              list-style: none;
              text-align: center;
          }
          .a{
              overflow: hidden;
          }
          .a ul{
              float:right;
          }
          .a li{
              float: left;
              margin-right: 20px;
              margin-top: 20px;
              font-size: 10px;
          }
          h1{
              text-align: center;
          }
          p{
              text-align: center;
              font-size: 10px;
              margin-top: 10px;
          }
          p a{
              margin-right: 15px;
          }
          s{
              width: 600px;
              height: 30px;
              margin: 20px auto;
              position: relative
          }
          s input{
              width: 530px;
              height: 25px;
              float: left;
              border-right:none;
          }
          s button{
              width: 90px;
              height: 30px;
              float: right;
              border: none;
              outline: none;
          }
          .s span{
              position: absolute;
              width: 15px;
              height: 15px;
              left: 500px;
              top: 10px;
              background: url(https://dss0.bdstatic.com/5aV1bjqh_Q23odCf/static/superman/img/searchbox/nicon-10750f3f7d.png) no-repeat 0px 0px;
          }
    </style>
</head>
<body>
    <div class="a">
        <ul>
            <li>百度</li>
            <li>百度</li>
            <li>百度</li>
            <li>百度</li>
            <li>百度</li>
            <li>百度</li>
            <li>百度</li>
            <li>百度</li>
            <li>百度</li>
        </ul>
    </div>
    <h1>
        <img src="images/pic1.png" alt="">
    </h1>
    <div class="s">
        <input type="text">
        <button>百度</button>
        <span></span>
    </div>
    <p>
        <img src="" alt="">
        <span>手机百度</span>
    </p>
</body>
</html>